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tc: sfq: add support for JSON output 

Enable proper JSON output for the SFQ Qdisc.
Use the long double format specifier to print the value of
"probability".
Also, fix the indentation in the online output of the contents in the
tc_sfqred_stats structure.

Signed-off-by: Leslie Monis <lesliemonis@gmail.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
This commit is contained in:
Leslie Monis 2019-12-26 00:34:16 +05:30 committed by Stephen Hemminger
parent 46d032d002
commit 85fdef052b
1 changed files with 44 additions and 26 deletions
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70
tc/q_sfq.c
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@ -217,35 +217,53 @@ static int sfq_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
if (RTA_PAYLOAD(opt) >= sizeof(*qopt_ext))
qopt_ext = RTA_DATA(opt);
qopt = RTA_DATA(opt);
fprintf(f, "limit %up ", qopt->limit);
fprintf(f, "quantum %s ", sprint_size(qopt->quantum, b1));
if (qopt_ext && qopt_ext->depth)
fprintf(f, "depth %u ", qopt_ext->depth);
if (qopt_ext && qopt_ext->headdrop)
fprintf(f, "headdrop ");
if (show_details) {
fprintf(f, "flows %u/%u ", qopt->flows, qopt->divisor);
}
fprintf(f, "divisor %u ", qopt->divisor);
print_uint(PRINT_ANY, "limit", "limit %up ", qopt->limit);
print_uint(PRINT_JSON, "quantum", NULL, qopt->quantum);
print_string(PRINT_FP, NULL, "quantum %s ",
sprint_size(qopt->quantum, b1));
if (qopt_ext && qopt_ext->depth)
print_uint(PRINT_ANY, "depth", "depth %u ", qopt_ext->depth);
if (qopt_ext && qopt_ext->headdrop)
print_bool(PRINT_ANY, "headdrop", "headdrop ", true);
if (show_details)
print_uint(PRINT_ANY, "flows", "flows %u ", qopt->flows);
print_uint(PRINT_ANY, "divisor", "divisor %u ", qopt->divisor);
if (qopt->perturb_period)
fprintf(f, "perturb %dsec ", qopt->perturb_period);
print_int(PRINT_ANY, "perturb", "perturb %dsec ",
qopt->perturb_period);
if (qopt_ext && qopt_ext->qth_min) {
fprintf(f, "\n ewma %u ", qopt_ext->Wlog);
fprintf(f, "min %s max %s probability %g ",
sprint_size(qopt_ext->qth_min, b2),
sprint_size(qopt_ext->qth_max, b3),
qopt_ext->max_P / pow(2, 32));
print_uint(PRINT_ANY, "ewma", "ewma %u ", qopt_ext->Wlog);
print_uint(PRINT_JSON, "min", NULL, qopt_ext->qth_min);
print_string(PRINT_FP, NULL, "min %s ",
sprint_size(qopt_ext->qth_min, b2));
print_uint(PRINT_JSON, "max", NULL, qopt_ext->qth_max);
print_string(PRINT_FP, NULL, "max %s ",
sprint_size(qopt_ext->qth_max, b3));
print_float(PRINT_ANY, "probability", "probability %lg ",
qopt_ext->max_P / pow(2, 32));
tc_red_print_flags(qopt_ext->flags);
if (show_stats) {
fprintf(f, "\n prob_mark %u prob_mark_head %u prob_drop %u",
qopt_ext->stats.prob_mark,
qopt_ext->stats.prob_mark_head,
qopt_ext->stats.prob_drop);
fprintf(f, "\n forced_mark %u forced_mark_head %u forced_drop %u",
qopt_ext->stats.forced_mark,
qopt_ext->stats.forced_mark_head,
qopt_ext->stats.forced_drop);
print_nl();
print_uint(PRINT_ANY, "prob_mark", " prob_mark %u",
qopt_ext->stats.prob_mark);
print_uint(PRINT_ANY, "prob_mark_head",
" prob_mark_head %u",
qopt_ext->stats.prob_mark_head);
print_uint(PRINT_ANY, "prob_drop", " prob_drop %u",
qopt_ext->stats.prob_drop);
print_nl();
print_uint(PRINT_ANY, "forced_mark",
" forced_mark %u",
qopt_ext->stats.forced_mark);
print_uint(PRINT_ANY, "forced_mark_head",
" forced_mark_head %u",
qopt_ext->stats.forced_mark_head);
print_uint(PRINT_ANY, "forced_drop", " forced_drop %u",
qopt_ext->stats.forced_drop);
}
}
return 0;
@ -262,8 +280,8 @@ static int sfq_print_xstats(struct qdisc_util *qu, FILE *f,
return -1;
st = RTA_DATA(xstats);
fprintf(f, " allot %d ", st->allot);
fprintf(f, "\n");
print_int(PRINT_ANY, "allot", " allot %d", st->allot);
return 0;
}